18366975824

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{120721}}^1$

素因数の和:121023

約数の個数: 40

約数和(自身を含む): 36690313128

約数和(自身を除く): 18323337304

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 257, 296, 514, 592, 1028, 2056, 4112, 9509, 19018, 38036, 76072, 120721, 152144, 241442, 482884, 965768, 1931536, 4466677, 8933354, 17866708, 31025297, 35733416, 62050594, 71466832, 124101188, 248202376, 496404752, 1147935989, 2295871978, 4591743956, 9183487912, 18366975824]

約数ペア:

[(1, 18366975824), (2, 9183487912), (4, 4591743956), (8, 2295871978), (16, 1147935989), (37, 496404752), (74, 248202376), (148, 124101188), (257, 71466832), (296, 62050594), (514, 35733416), (592, 31025297), (1028, 17866708), (2056, 8933354), (4112, 4466677), (9509, 1931536), (19018, 965768), (38036, 482884), (76072, 241442), (120721, 152144)]